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20200322310 = 235796192011
BaseRepresentation
bin10010110100000010…
…000111010100000110
31221010210110200210120
4102310002013110012
5312332240303220
613140243002410
71313403622650
oct226402072406
957123420716
1020200322310
118626612153
123ab9069406
131b9c04584c
14d98b4d6d0
157d363aa40
hex4b4087506

20200322310 has 32 divisors (see below), whose sum is σ = 55406598912. Its totient is φ = 4617216480.

The previous prime is 20200322297. The next prime is 20200322339. The reversal of 20200322310 is 1322300202.

It is a super-2 number, since 2×202003223102 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20200322310.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48095796 + ... + 48096215.

It is an arithmetic number, because the mean of its divisors is an integer number (1731456216).

Almost surely, 220200322310 is an apocalyptic number.

20200322310 is an abundant number, since it is smaller than the sum of its proper divisors (35206276602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20200322310 is a wasteful number, since it uses less digits than its factorization.

20200322310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96192028.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 20200322310 its reverse (1322300202), we get a palindrome (21522622512).

The spelling of 20200322310 in words is "twenty billion, two hundred million, three hundred twenty-two thousand, three hundred ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 96192011 192384022 288576033 480960055 577152066 673344077 961920110 1346688154 1442880165 2020032231 2885760330 3366720385 4040064462 6733440770 10100161155 20200322310